Life Span
Annual
Perennial
Type
Shrub
Perennial
Origin
Europe, Northern Africa, Western Asia
World, Pandemic, North America, Europe, Africa, Asia
Types
Shrub
-
Number of Varieties
530
0
40000
👆🏻
Habitat
Woods
Bluffs, Sandy stream banks, Wooded slopes
USDA Hardiness Zone
4-84-10
0
99
👆🏻
AHS Heat Zone
8-1
10-1
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20
2b, 3a, 3b, 4, 5, 6
Habit
Thicket/Colonizing
Clump-Forming
Plant Size
Minimum Height
180.00 cm10.20 cm
0
3900
👆🏻
Minimum Width
180.00 cm15.20 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow
White, Purple, Lavender, Blue Violet
Flower Color Modifier
-
Bicolor
Fruit Color
Brown
-
Leaf Color in Spring
Green
Green
Leaf Color in Summer
Green, Dark Green
Green
Leaf Color in Fall
Yellow, Green
Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Lobed
Long Linear
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Medium
Medium
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Early Spring, Spring, Late Winter
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Ground, Pot
Container, Ground
How to Plant?
Grafting
Seedlings, Stem Planting, Transplanting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water
Medium, Requires watering in the growing season
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Drought
Drought
Flowers
✔
✘
✔
✘
Flower Petal Number
-
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Coarse
Medium
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
Bees, Insects
Allergy
-
Skin irritation
Uses
Aesthetic Uses
Showy Purposes
Beautification, Ground Cover, Landscape Designing, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Minerals, Rich in protein, tonic in pregnancy, Vitamin E
Liver problems, Skin Disorders, Treatment of ulcers
Part of Plant Used
Fruits, Leaves, Seeds, Wood
Flowers, Leaves
Other Uses
Culinary use, Used for its medicinal properties
Employed in herbal medicine, Used as a spice
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Foundation, Mixed Border, Topiary, Bonsai, Espalier
Bedding Plant, Cutflower, Mixed Border, Rock Garden, Wall
Botanical Name
CORYLUS avellana 'Contorta'
IRIS cristata
Common Name
common hazel
Crested Iris
In Hindi
contorted filbert
कलगी आइरिस
In German
contorted filbert
Crested Iris
In French
noisetier contorsionné
Crested Iris
In Spanish
avellana contorsionada
Crested Iris
In Greek
παραμορφωμένες φουντουκιού
Crested Iris
In Portuguese
filbert contorcido
Crested Iris
In Polish
wykrzywioną leszczyna
Czubaty Iris
In Latin
contortis Avellanam
iubatum Iris
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
-
Class
Magnoliopsida
Liliopsida
Order
Fagales
Asparagales
Family
Betulaceae
Iridaceae
Genus
Corylus
Iris
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Tribe
-
Irideae
Subfamily
-
Iridoideae
Number of Species
15210
1
27800
👆🏻